Some enzymes regulated by cAMP-dependent phosphorylation by PKA
| Enzyme | Pathway |
| Glycogen Synthase | glycogen synthesis |
| Phosphorylase Kinase | glycogen breakdown |
| Pyruvate Kinase | Glycolysis |
| Pyruvate Dehydrogensae | Pyruvate to acetyl-CoA |
| Hormone-sensitive Lipase | Triacylglyeride breakdown |
| Tyrosine Hydroxylase | Synthesis of DOPA, dopamine, norepinephrine |
| Histone H1 | Nucleosome formation with DNA |
| Histone H2B | Nucleosome formation with DNA |
| Protein phosphatase 1 Inhibitor 1 | Regulation of protein dephosphorylation |
| CREB | cAMP regulation of gene expression |
| PKA cosensus sequence | XR(R/K)X(S/T)B (B = hydrophobic amino acid) |